.ui-aside {
    position: fixed;
    top: -99999rem;
    bottom: -99999rem;
    width: 7.5rem;
    height: 100%;
    overflow-y: scroll;
    z-index: 99;
    background-color: #fff;
}

.ui-aside-mask {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 98;
    opacity: 0;
    background: rgba(0, 0, 0, .5);
}
